Finding the Fourth Proportional to 904,939.16, 1,357,583.62 and 343,929.92
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Solution
The fourth proportional to 904,939.16, 1,357,583.62 and 343,929.92 is: 515,961.34
Step by Step Solution
- Step 1: Write the proportion equation
904,939.16 : 1,357,583.62 = 343,929.92 : x - Step 2: Convert to fraction form
904,939.16/1,357,583.62 = 343,929.92/x - Step 3: Cross multiply
904,939.16x = 1,357,583.62 × 343,929.92 - Step 4: Simplify right side
904,939.16x = 466,913,625,819.91 - Step 5: Solve for x
x = 466,913,625,819.91/904,939.16 - Step 6: Final answer
x = 515,961.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.